Bet £25 and the winning bet will return £97.75. If one leg loses, you will get a matched stake back as a free bet

T&C's on the offer:

Info from their site:

Football concessions are now available over both internet and mobile channels with William Hill!Place a football accumulator (5 teams or more) and if only one team lets you down we'll refund your stake as a free bet.Terms and Conditions